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Step Up/Down Module

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ZK-SJ4 4A Solar Charging Module Adjustable Step Up Step Down Power Supply Module Boost Buck Voltage Regulator ZK-SJ4 4A Solar Charging Module Adjustable Step Up Step Down Power Supply Module Boost Buck Voltage Regulator 1.Description:     ZK-SJ4 is a DC adjustable constant voltage, constant current step down/up power supply module. Adjustable stable output voltage and current, set output current to meet the demand. It can be used as ordina... $6.99
$9.99 SKU: 13397
$6.99
$9.99
 30

Adjustable Step Up Step Down Power Supply Module Boost Buck Converter LCD Display Voltage Regulator Adjustable Step Up Step Down Power Supply Module Boost Buck Converter LCD Display Voltage Regulator 1.Description:     ZK-SJVA-4X is a DC adjustable constant voltage constant current step down/up power supply module with LCD display. HD display input voltage and output voltage, current, power and display status. Adjustabl... $8.39
$11.99 SKU: 13396
$8.39
$11.99
 30


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